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About PRIS
HADDAM NECK
Permanent Shutdown
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
-
CONNECTICUT YANKEE ATOMIC POWER CO.
CONNECTICUT YANKEE ATOMIC POWER CO.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
560
MW
e
582
MW
e
603
MW
e
1825
MW
t
Construction Start Date
First Criticality Date
01 May, 1964
24 Jul, 1967
First Grid Connection
Commercial Operation Date
07 Aug, 1967
01 Jan, 1968
Permanent Shutdown Date
05 Dec, 1996
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
105.65 TW.h
80.1 %
76.0 %
19.9 %
73.5 %
Lifetime performance calculated up to year
1996
Operating History
Year
Electricity Supplied
[GW.h]
Reference Unit Power
[MW]
Annual Time On Line
[h]
Operation Factor
[%]
Energy Availability Factor
[%]
Load Factor
[%]
Annual
Cumulative
Annual
Cumulative
1967
Data from a trial operation not provided
1968
Data Not Provided
1969
"
1970
3721.000
590
6873
78.5
100.0
NC
72.0
NC
1971
4399.500
603
7603
86.8
100.0
100.0
83.3
77.7
1972
4516.700
600
7702
87.7
100.0
100.0
85.7
80.4
1973
2425.000
576
4421
50.5
100.0
100.0
48.1
72.5
1974
4341.800
576
7993
91.2
89.0
97.8
86.0
75.2
1975
4125.700
535
7542
86.1
85.7
96.0
88.0
77.2
1976
4029.700
575
7246
82.5
79.8
93.7
79.8
77.5
1977
4013.200
550
7349
83.9
81.6
92.2
83.3
78.2
1978
4708.000
550
8462
96.6
96.3
92.7
97.7
80.3
1979
4118.500
550
7427
84.8
83.9
91.8
85.5
80.8
1980
3564.300
551
6578
74.9
74.6
90.3
73.6
80.2
1981
4064.900
555
7379
84.2
84.4
89.8
83.6
80.4
1982
4538.300
556
8184
93.4
93.6
90.1
93.2
81.4
1983
3785.800
569
6817
77.8
78.4
89.3
76.0
81.0
1984
3369.670
569
6295
71.7
72.1
88.1
67.4
80.1
1985
4638.100
569
8595
98.1
98.4
88.8
93.0
80.9
1986
2140.860
569
4696
53.6
54.2
86.7
43.0
78.7
1987
2538.160
569
4699
53.6
54.4
84.9
50.9
77.1
1988
3313.000
565
6040
68.8
69.2
84.1
66.4
76.6
1989
2963.240
565
5859
66.9
100.0
84.9
59.9
75.7
1990
1190.960
565
2588
29.5
30.2
82.3
24.1
73.3
1991
3708.780
560
6654
76.0
59.6
81.3
75.0
73.4
1992
3891.020
560
6955
79.2
79.2
81.2
79.1
73.6
1993
3742.610
560
6913
78.9
79.0
81.1
76.3
73.7
1994
3804.900
560
6754
77.1
77.2
80.9
77.6
73.9
1995
3659.660
560
6686
76.3
76.4
80.8
74.6
73.9
1996
2773.640
560
4893
60.9
60.9
80.1
61.6
73.5
Performance indicators are calculated from the Commercial Operation Date.
NC – cumulative values not calculated when more than 50% of required data is missing in PRIS
Above data generated by the PRIS database. Last update on 2024-09-18
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NINE MILE POINT-1
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OCONEE-1
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OYSTER CREEK
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ROBINSON-2
SALEM-1
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SAN ONOFRE-3
SAXTON
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SHIPPINGPORT
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SUMMER-1
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THREE MILE ISLAND-1
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TROJAN
TURKEY POINT-3
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VERMONT YANKEE
VOGTLE-1
VOGTLE-2
VOGTLE-3
VOGTLE-4
WATERFORD-3
WATTS BAR-1
WATTS BAR-2
WOLF CREEK
YANKEE NPS
ZION-1
ZION-2